How are fingerprints discovered at crime scenes?

Answers

Answer 1

Answer:

A device called the Reflected Ultraviolet Imaging System (RUVIS) aims UV light at areas where fingerprints may be. If a latent fingerprint is there, it will reflect the light back under the UV light. Once discovered, it can be processed using an approved method.

Or they use a certain powder or oil


Related Questions

help meee pretty please

Answers

Answer:

it is 2 and 4 and 5

Explanation:

hope this helps pls mark as brainliest

Answer:

1. Exoskeleton

2. Jointed limbs

3.  bilaterally symmetrical

Have an amazing day!!

Please rate and mark brainliest!!

Who developed the system of binomial nomenclature?.

Answers

Answer:

Carolus Linnaeus

Explanation:

Hope this helps :))

In the year 2000, specimens of caulerpa taxifolia,a green alga used in tropical aquariums, were found off the coast of california. Native to the indian ocean, c. Taxifolia is known for aggressive growth and an ability to compete with sea grasses. It is currently on an international list of invasive species. Which of the following best predicts the consequences of the introduction of c. Taxifolia to the california coast?.

Answers

The consequences of the introduction of c. Taxifolia to the coast of California is the disappearance of other algae species where C. taxifolia colonizes.

What are the impacts of C. taxifolia?

This alga causes a marked decrease in biodiversity in the environments colonized by it. It was observed, in 1991, that it covered the beds of algae of Cymodocea nodosa and especially of Posidonia. Initially, the Posidonia seaweed bank seems to react positively to contact with the seaweed, increasing its production. Later, after being completely invaded, it shows signs of "stress" (leaf fall...) leading to a setback and then the total disappearance of the algae bank as well as the algae that grew together with the posidonias.

Whit this information, we can conclude that the consequences of the introduction of c. Taxifolia to the coast of California is the disappearance of other algae species where C. taxifolia colonizes.

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In which phylum is the organism thought to be the world’s oldest living tree?.

Answers

Answer:

it is phylum Coniferophyt

Explanation:

Because it is 4,600 years old, therefore that is the organism thought to be the worlds oldest living tree.

What process breaks down food in order to obtain energy from it?.

Answers

Answer: Cellular respiration

Explanation:

In order to get energy from sugars, cells break them up through cellular respiration. Cells create energy through cellular respiration, which uses food to create ATP. Aerobic respiration occurs when oxygen is used.

Drug-resistant populations of microbes arise when: Group of answer choices exposure to drugs causes mutations that produce resistance. synergy between medications occurs.

Answers

exposure to drugs causes mutations which produce drug-resistant populations of microbes.

What is the effect of using same type of drug?

Drug-resistant populations of microbes arise when the exposure to drugs causes mutations because this exposure produce resistance which leads to mutation in the organism. Due to this mutation, the drugs did not work on the organism anymore.

So we can conclude that exposure to drugs causes mutations which produce drug-resistant populations of microbes.

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If a female with blood type oo has children with a male with blood type ab, what are the possible blood types of their children?.

Answers

Answer:

50% with blood type A and 50% with blood type B

Explanation:

You can draw a punnet square and find that the possible combinations are AO, AO, BO, and BO. The presence of antigens on the blood cells make them type A,B or O. If antigens are put on O they can be made into a new blood type. For example if A mixes with O the fused blood will be of type A.

I hope this explaination helps you!

Only the O allele can be passed on to a child by a mother who has blood type O. A parent with blood group AB could give his kid or daughter either an A or a B gene. Blood type B or blood type A (O from the mother and A from the father) could be the blood type of the children of this couple (O from mother and B from father).

What is Blood group?

According to the presence or absence of antibodies or hereditary antigenic compounds just on surface of red blood cells, blood is classified according to its type. Depending on the blood group system, these antigens could be proteins, carbohydrates, glycoproteins, or glycolipids.

The ABO system distinguishes 4 major blood types:

Blood group O - has no antigens, however both anti-A and anti-B antibodies in the plasma Blood group AB - has both A and B antigens, but no antibodies Blood group A - has A antigens just on red blood cells with anti-B antibodies in the plasma Blood group B - has B antigens with anti-A antibodies in the plasma.

Thus, only the O allele can be passed on to a child by a mother who has blood type O. A parent with blood group AB could give his kid or daughter either an A or a B gene. Blood type B or blood type A (O from the mother and A from the father) could be the blood type of the children of this couple (O from mother and B from father).

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2. The contracting nebula broke into_____

The fragment that became
the solar system ____ causing it to flatten into _______
.

Answers

The contracting nebula broke into fragments. The fragment that became the solar system rotated faster causing it to flatten into a disk with a dense center.

The water at the top of a waterfall has _____ energy.

kinetic
metabolic
potential
heat

Answers

Answer:

potential

Explanation:

The water at the top of the water fall has POTENTIAL energy.

The term ___ ___ recognizes that contraction of striated muscles causes skeletal parts move, and in humans the muscles are most often attached across a joint.

Answers

Muscoskeletal system recognizes that contraction of striated muscles causes skeletal parts move, and in humans the muscles are most often attached across a joint.

What is Muscoskeletal system?

The musculoskeletal system is the system of the body that comprises of bones (the skeleton), cartilage, tendons, muscles, ligaments, joints, and other connective tissue that help to give maximum supports and binds tissues and organs together. They help in blood circulation and to generate heat. Its allow body movements and protecting vital organs.

Therefore, Muscoskeletal system recognizes that contraction of striated muscles causes skeletal parts move, and in humans the muscles are most often attached across a joint.

Learn more about musculoskeletal system below.

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Helps to kill viruses or bacteria before they enter/infect our cells.

Answers

Answer:white blood cells?

Explanation: It could possibly be them, since they fight infections

A hockey player suffered a bad injury in the groin area and is worried it might affect his sperm production. What structure should he have checked for damage first

Answers

The scro-tum is responsible for the production of spe-rms hence this  structure should first be checked for damage.

What is male reproductive system?

The male reproductive system is  structured in such a  way that the peni-s and the scro-tum are the external parts. The scro-tum is responsible for the production of spe-rms.

Now if the hocky player suffered a damage, and thinks that sper-m production may have  been affcted then the scro-tum should be checked.

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An experiment during which two heterozygous individuals are bred and produce two different phenotypes for a single trait is termed a ___.

Answers

Answer:

monohybrid cross

Explanation:

An experiment during which two heterozygous F1 individuals are bred and produce two different phenotypes for a single trait is termed a monohybrid cross.

Help would be appericated

Answers

Answer:

D

Explanation:

Because seeds from different plants are planted under identical condition and found to grow at different rates because Maybe one has more fast growth than the other so they grow at different rates

“It is difficult to predict the overall impact on the marine ecosystem but many scientists fear that ocean acidification has the potential to decrease marine biodiversity on a very large scale.” What is ocean acidification and how is it a potential threat to marine biodiversity?

Answers

Answer: ential to decrease marine biodiversity on a very large scale.” What is ocean acidification and how is it a potential threat to marine biodiv

Explanation:

What is your opinion about fracking? State your opinion and give reasons to support it.
Answers must be at least three sentences.

Answers

Fracking, in my opinion, can be beneficial or harmful. It could be beneficial since natural gas is a needed bridging fuel for achieving 100 percent clean energy and eliminating coal and petroleum, and fracking is the most efficient method of extracting natural gas. Fracking has enabled the United States to produce and export more natural gas, enhancing national security and moving the country closer to energy independence. It can be harmful because fracking has the potential to pollute groundwater, raise greenhouse gas emissions, and create earthquakes. All fossil fuels, including natural gas, must be phased out of the US economy immediately.

What are 3 types of digestion?

Answers

Answer:

mechanical digestion and chemical digestion

Explanation:

ingestion, propulsion, mechanical or physical digestion, chemical digestion, absorption, and etc

What is a large membranous structure found in the cytoplasm of eukaryotic organisms?

Answers

Answer:

Nucleus

Explanation:

If you're asking about whats the largest membranous structure in a eukaroytic cell, its likely the nucleus.

How might immigration affect genetic equilibrium?

Answers

Migration will change gene frequencies by bringing in more copies of an allele already in the population or by bringing in a new allele that has arisen by mutation. Because mutations do not occur in every population, migration will be required for that allele to spread throughout that species.

How does importing coal contribute to pollution? a. if the u.s. did not import coal, it would have to use alternative fuel methods. b. fuel is used to transport the coal, which contributes to pollution. c. shipping coal overseas causes water pollution from coal spills. d. all of the above please select the best answer from the choices provided a b c d

Answers

Answer:

The answer is B

Explanation:

Hope this helps:)...if not then sorry for wasting your time and may God bless you:)

Which represents a strand of RNA bases?
CAAGGTCTC
AGGTTCACA
CAAGGUCUC
TGGAACTCA

Answers

Answer:

CAAGGUCUC is the correct answer to this

CAAGGUCUC is the strand of RNA bases. Therefore, option "C" is correct.

What are nucleotides?

The genetic material DNA is made up of nucleotides. Nucleotides are the base pair that comprise the genetic material. There are two types of bases present, therefore, purine and pyrimidine. These bases are further divided, purine bases are adenine and guanine whereas pyrimidine bases are cytosine, thymine, and uracil.  

DNA and RNA both are made up of nucleotides. The only difference between DNA and RNA nucleotide base pairs is that adenine pairs with uracil instead of thymine. Nucleotide is made up of sugar, nitrogenous base, and phosphate.  When a nucleoside attaches to the phosphate is called a nucleotide.ATP is a nucleotide as well energy molecule.

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A gene carries coded information for the production of a:.

Answers

i think it’s protein
hope this helps :)

Which of the following is an inherited behavior? question 11 options: birds that nest near highways not responding to traffic noise. kindergarten students sharing different toys. knowledge of how to play the piano. infant babies breathing as soon as they are born.

Answers

Answer: Infant babies breathing as soon as they are born.

Sickle cell anemia is known to run in a family. A pedigree chart for this family is shown below.

What best describes offspring 4?

A female carrier of the disease
A female having the disease
A male carrier of the disease
A male having the disease

Answers

A male having the disease.

Which appendages in the cephalic region are related to eating.

Answers

Answer:

these answer should de helpful

The mandibles. or jaws

what did Darwin notice about the different species of finches?

The finches differed from their ___ in South America. Different finches had different ___ habits and different ___ and shaped ___ that matches what they ___.

a. Ancestors
b. Hunting
c. Ate
d. Beaks
e. Sized
f. Eyes
g. Feeding
h. Saw

Answers

The finches differed from their ANCESTORS (A) in South America. Different finches had different FEEDING (G) habits and different SIZED (E) and shaped BEAKS (D) that matched what they ATE (C).

When Darwin first saw finches, they were often black, brown, or olive in hue, which caused him to describe them as “drab and uninteresting little birds.” Their beaks, which differ greatly in size, shape, and color, are their most distinctive feature. Thus, option A, C, D, G, E is correct.

What are the different feature of the Darwin finches?

Darwin questioned why bird beaks on different islands had different shapes. Compared to its relatives, the ground finches, so-called cactus finches have longer, more pointed beaks.

Warbler finches have beaks that are both more pointed and narrower than both. They are better able to subsist on available food thanks to these adaptations.

The plumage and body size of the birds vary, but the beaks' size and shape—which are influenced by the foods the birds prefer and their areas of specialization—are the features that stand out the most.

Therefore, Darwin notice about the different species of finches.

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Describe TWO structural suitability of the villi for absorption

Answers

Answer:

Explanation:

Villi are filled with blood capillaries, and the blood constantly moving in them means that a steep concentration gradient is maintained. This increases the amount of dissolved, digested food that can be absorbed into the bloodstream from the small intestine.

Every square inch of the intestinal mucosa is comprised of around 20,000 villi, and the surface cells of the mucosa also have projections of their cell membranes called microvilli, all of which contribute to the increased surface area. This enables a great area to be available for the absorption of nutrients.

How can you identify the difference between a chemical and physical change and what are signs that a chemical change had occurred?

Answers

Answer:

The difference between a physical reaction and a chemical reaction is composition. In a chemical reaction, there is a change in the composition of the substances in question; in a physical change there is a difference in the appearance, smell, or simple display of a sample of matter without a change in composition.

Jasmine has high blood pressure and an increased glomerular filtration rate (GFR). How does the tubuloglomerular feedback mechanism restore normal pressure in her glomerulus

Answers

The tubuloglomerular feedback mechanism will restore normal pressure in her glomerulus by lowering glomerular filtrate rate in order to remove excess salts.

What is the glomerular filtration rate (GFR)?

The glomerular filtration rate (GFR) is the amoubtbof blood that passes through the glomerulus for filtration per minute.

A glomerular filtration rate (GFR) of 60 or higher is normal

Since Jasmine has high blood pressure and an increased glomerular filtration rate (GFR), the tubuloglomerular feedback mechanism will restore normal pressure in her glomerulus by lowering glomerular filtrate rate in order to remove excess salts.

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hey guys! people keep deleting my questions (not sure why), if someone could please answer this, I will give brainliest. (:

Answers

Answer:

the answer is D

Explanation:

Is it for the U.S.A test prep bc I took it.

Hope this helps! Please let me know if you need more help or think my answer is incorrect. Brainliest would be MUCH appreciated. Also remember to rate answers to help other students, While leaving thanks to answers that help you. Have a great day!

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